Home / 289,327.39-400,033.68-253,414.35

Finding the Fourth Proportional to 289,327.39, 400,033.68 and 253,414.35

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Solution

The fourth proportional to 289,327.39, 400,033.68 and 253,414.35 is: 350,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,327.39 : 400,033.68 = 253,414.35 : x
  2. Step 2: Convert to fraction form
    289,327.39/400,033.68 = 253,414.35/x
  3. Step 3: Cross multiply
    289,327.39x = 400,033.68 × 253,414.35
  4. Step 4: Simplify right side
    289,327.39x = 101,374,274,045.00
  5. Step 5: Solve for x
    x = 101,374,274,045.00/289,327.39
  6. Step 6: Final answer
    x = 350,379.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.